Milwaukee 48-42-5190 3-Inch, 14 Teeth per Inch, Bi-Metal Jig Saw Blades, 5-Pack The product is easy to use The product is durable The product is manufactured in Switzerland 14 TPI, 3 in. Length, Bi-Metal Construction 9/32 in. Width, T-Shank 5 blades per package For cutting thick metal over 1/4 in. thick. Limited Warranty